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tty: xilinx_uartps: Fix the ignore_status

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Currently the ignore_status is not considered in the isr.
Add a check to add the ignore_status.

Fixes: 61ec901698 ("tty/serial: add support for Xilinx PS UART")
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220729114748.18332-5-shubhrajyoti.datta@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shubhrajyoti Datta 2022-07-29 17:17:45 +05:30 committed by Greg Kroah-Hartman
parent 03a94800b9
commit b8a6c3b3d4
1 changed files with 2 additions and 0 deletions
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2
drivers/tty/serial/xilinx_uartps.c
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@ -361,6 +361,8 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id)
isrstatus &= ~CDNS_UART_IXR_TXEMPTY;
}
isrstatus &= port->read_status_mask;
isrstatus &= ~port->ignore_status_mask;
/*
* Skip RX processing if RX is disabled as RXEMPTY will never be set
* as read bytes will not be removed from the FIFO.